If this will be a single digitizing, you might consider using Net Emb . If you are a member of Ann's Club, you will get a discount!
Software for good digitizing is expensive. They start around $300 for a limited type of digitizing to $1,800 for a substancial software for personal use. The commercial ones are a LOT more.
Pat
I hope you'll visit The Avid Embroiderer my blog for some tips and tricks from someone who enjoys sharing her discoveries. Considering selling your embroidery? Check here first! My spreadsheet is just what you need!